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README.md
Apache-2.0

介绍

DBSyncer是一款开源的数据同步中间件,提供Mysql、Oracle、SqlServer、PostgreSQL、Elasticsearch(ES)、Kafka、SQL(Mysql/Oracle/SqlServer/PostgreSQL)等同步场景。支持上传插件自定义同步转换业务,提供监控全量和增量数据统计图、应用性能预警等。

特点

  • 组合驱动,自定义库同步到库组合,关系型数据库与非关系型之间组合,任意搭配表同步映射关系
  • 实时监控,驱动全量或增量实时同步运行状态、结果、同步日志和系统日志
  • 开发插件,自定义转化同步逻辑

🌈应用场景

连接器 数据源 目标源 支持版本(包含以下)
Mysql 5.7.19以上
Oracle 10g以上
SqlServer 2008以上
PostgreSQL 9.5.25以上
ES 6.0以上
Kafka 开发中 2.10-0.9.0.0以上
SQL 支持以上关系型数据库
最近计划 Redis

📦安装配置

步骤

  1. 安装JDK 1.8(省略详细)
  2. 下载安装包DBSyncer-1.0.0-Beta.zip(也可手动编译)
  3. 解压安装包,Window执行bin/startup.bat,Linux执行bin/startup.sh
  4. 打开浏览器访问:http://127.0.0.1:18686
  5. 账号和密码:admin/admin

增量同步配置(源库)

Mysql
  • Dump Binlog二进制日志。Master同步Slave, 创建IO线程读取数据,写入relaylog,基于消息订阅捕获增量数据。
  • 配置

修改my.ini文件

#服务唯一ID
server_id=1
log-bin=mysql_bin
binlog-format=ROW
max_binlog_cache_size = 256M
max_binlog_size = 512M
expire_logs_days = 7
#监听同步的库, 多个库使用英文逗号“,”拼接
replicate-do-db=test
Oracle
  • CDN注册订阅。监听增删改事件,得到rowid,根据rowid执行SQL查询,得到变化数据。
  • 配置

授予账号监听权限, 同时要求目标源表必须定义一个长度为18的varchar字段,通过接收rowid值实现增删改操作。

grant change notification to 你的账号
SqlServer
  • SQL Server 2008提供了内建的方法变更数据捕获(Change Data Capture 即CDC)以实现异步跟踪用户表的数据修改。
  • 配置

要求2008版本以上, 启动代理服务(Agent服务), 连接账号具有 sysadmin 固定服务器角色或 db_owner 固定数据库角色的成员身份。对于所有其他用户,具有源表SELECT 权限;如果已定义捕获实例的访问控制角色,则还要求具有该数据库角色的成员身份。

ES
  • 定时获取增量数据。
  • 配置

账号具有访问权限。

日志

建议Mysql和SqlServer都使用日志

日志

定时

假设源表数据格式

表数据格式 定时和过滤条件

✨预览

驱动管理

连接器和驱动

驱动详情

驱动详情

驱动表字段关系配置

驱动表字段关系配置

监控

监控

上传插件

上传插件

🔗开发依赖

⚙️手动编译

先确保环境已安装JDK和Maven

$ git clone https://gitee.com/ghi/dbsyncer.git
$ cd dbsyncer
$ chmod u+x build.sh
$ ./build.sh

🐞常见问题

  • Mysql无法连接。默认使用的驱动版本为5.1.40,如果为mysql8需要手动替换驱动 mysql-connector-java-8.0.21.jar
  • 有其他问题、建议或需求(如想支持某中间件,记得补充使用的版本号),欢迎大家提【issuses】!

💕了解更多

  • 使用说明:博客地址
  • QQ群: 875519623或点击右侧按钮数据同步dbsyncer

🤝贡献支持

  • 为了能让项目得到更好的可持续的发展,我们期望获得更多的支持者,我们将把所得款项用于项目研发和推广。您可以通过如下方式支持我们: 我们会把详细的捐赠记录登记在【捐赠者名单】
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简介

DBSyncer是一款开源的数据同步中间件,提供Mysql、Oracle、SqlServer、PostgreSQL、Elasticsearch(ES)、Kafka、SQL(Mysql/Oracle/SqlServer/PostgreSQL)等同步场景。支持上传插件自定义同步转换业务,提供监控全量和增量数据统计图、应用性能预警等。 展开 收起
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